Home / 412,968.67-619,333.93-113,459.02

Finding the Fourth Proportional to 412,968.67, 619,333.93 and 113,459.02

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Solution

The fourth proportional to 412,968.67, 619,333.93 and 113,459.02 is: 170,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,968.67 : 619,333.93 = 113,459.02 : x
  2. Step 2: Convert to fraction form
    412,968.67/619,333.93 = 113,459.02/x
  3. Step 3: Cross multiply
    412,968.67x = 619,333.93 × 113,459.02
  4. Step 4: Simplify right side
    412,968.67x = 70,269,020,750.55
  5. Step 5: Solve for x
    x = 70,269,020,750.55/412,968.67
  6. Step 6: Final answer
    x = 170,155.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.